From: arlenholder@any1example.com   
      
   In response to what  wrote :   
      
   > I had the same issue last year with the B&S engine on my self-propelled.   
      
   Thanks for hazarding advice, as I know how risky that is on the Internet.   
      
   With the exception of this four stroke push lawnmower being a California   
   carb'd engine, they're all likely similar in many ways.   
      
   > Not a 'wheezing' as I interpret it, but the up & down RPMs.  Finally, it   
   would run   
   > only while I was bent over and pressing the gas prime bulb - made mowing the   
   > lawn interesting, to say the least! :D   Does yours run smoother if you hold   
   in the   
   > primer while it is running.   
      
   There is no primer that I know of. The only controls are the choke and the   
   throttle, where neither is much of a control because the choke only lasts a   
   handful of seconds (it slides back into place unless you physically block   
   it somehow) - and the throttle is a lever on the top of the push bar where   
   letting it go shuts off the engine (as a safety feature).   
      
   The throttle bar has been taped tightly for years.   
      
   > My local small engine shop cleaned a lot of dirt & gummed up grime out of the   
   > carburetor and the fuel intake jets on my machine.  Those fuel intakes are   
   almost   
   > as small as the period on your screen  .   They can gum up easy!   
   >   
   > Have someone take a look at that aspect of it.   
      
   I wouldn't even think of taking an engine in to a shop, but it might be   
   that the carb is gummed up. The engine starts on the first pull of the   
   cord, so it must be a 'slight' gumming of an orifice if it is.   
      
   I thought about _replacing_ the filter instead of just cleaning it, but it   
   didn't look bad (one side had grass clippings stuck to it which I had   
   banged off, but the inside edge was clean as brand new where it's likely a   
   year or two old).   
      
   Given it starts right up, it can't be too badly off the stoichiometric   
   ratio, but I do agree that the fuel jets are likely tiny. They're not   
   adjustable as far as I know though (California rules I think).   
      
   I hate to take apart the carb if I don't have to though.   
   That's why I asked.   
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   Usenet is a wondrously rich public helpdesk to politely discuss solutions.   
      
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